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RX - 3rd Gen (2010-2015) Discussion topics related to the 2010 - 2015 RX350 and RX450H models

Remote Starter Button Sequence Not Working

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Old Dec 16, 2025 | 10:14 AM
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qadude73's Avatar
qadude73
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Default Remote Starter Button Sequence Not Working

Hello all,
I had an Lexus OEM remote starter unit installed on my 2012 Lexus RX 450h. Even though my FOB was successfully programmed by the TechStream software, the remote start button sequence (press lock button x 2 -> press & hold lock button) does not start my vehicle. The expected lights flash, then engine start do not happen.
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Old Dec 16, 2025 | 10:29 AM
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salimshah
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When did your setup work last time?
Any thing done to the electrical since then?

The only OEM remote start system I know of [with my limited knowledge] is by Lexus Enform and that got buried with old cell phone technology.

Salim
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